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Expired Australian patentAustralia

A process for the prduction of ammonium alum crystals and solution from mineral clay feedstock

AU 2001100443 · Applicant: Gkm Minerals Pty Ltd

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Listed from its IP Australia record in Patent Yard's archive of Australian patents past their term. Its claims, description and drawings are in the AusPat record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed October 4, 2001. An Australian innovation patent lasts at most 8 years from its date of patent, at most a year after this filing, so it ended by October 4, 2010.
  • We check Australian rights only. A patent in its family in another country could still be in force.
FiledOctober 4, 2001
GrantedOctober 18, 2001
Term ended byOctober 4, 2010
Application numberAU 2001100443
Classification (IPC)C01F7/76

Timeline

Timeline From IP Australia dates

200220032004200520062007200820092010Application filedOct 4, 2001Patent grantedOct 18, 2001Term ended byOct 4, 2010

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Everything on this page comes from the IP Australia record linked above. Data from IP Australia's IPGOD, licensed under CC BY 2.5 AU.